Fluorescent microsphere fiber optic microsensor array for direct iodide detection at low picomolar concentrations

Katarzyna Wygladacz; Eric Bakker

doi:10.1039/B614562K

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Analyst

Issue 3, 2007

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Fluorescent microsphere fiber optic microsensor array for direct iodide detection at low picomolar concentrations

Katarzyna Wygladacz and Eric Bakker

Analyst, 2007, 132, 268-272

DOI: 10.1039/B614562K
Received 06 Oct 2006, Accepted 11 Jan 2007
First published on the web 17 Jan 2007

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Fluorescent optode microspheres doped with the halide-selective receptor [9]mercuracarborand-3 and a lipophilic pH fluoroionophore were found to exhibit picomolar limits of detection to iodide at pH 3.5, and were used to monitor the precipitation of iodide by silver ions at subnanomolar concentrations, just above their calculated solubility.

Abstract from Analytical Abstracts 2007

Fluorescent optode microspheres doped with the halide-selective receptor (9)mercuracarborand-3 and a lipophilic pH fluoroionophore were found to exhibit picomolar limits of detection to iodide at pH 3.5, and were used to monitor the precipitation of iodide by silver ions at subnanomolar concentrations, just above their calculated solubility.

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Fluorescent microsphere fiber optic microsensor array for direct iodide detection at low picomolar concentrations

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